Stomach bug

my big girl came down with a 24hr bug last night, she was throwing up until early this morning she is okay now but I'm soooo nervous my lil man will catch it, any experiences I'm really nervous but I have heard that a lot of the time their little ones aren't effected yet everyone else in the house has been?

Sleep and your preschooler
Even when your child throws off the cot and the all-night feeds, sleep challenges in the preschool years can still keep you wondering. Get tips and advice on how to help your 3 to 4 year old get a great sleep.